20 points!
which of these is an example of a non-random sample?
out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.
at a school assembly, five students are randomly chosen to receive free admission to a theme park.
airline passengers to orlando, florida, are asked about vacation plans.
registered voters in arizona are surveyed to determine if they have relatives in florida.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

At a cost of 200, your club bought 175 frisbees to sell at the pep rally. you plan on selling them for $5 each. what is the domain of the function?